Execute gINT from a script to export PDF files, but no output logs(no success log/error log)

**Operation
Input

QUIET

**Command
ImportText

**Properties
Project=\\...\data\...\some_database.gpj
DataTemplate=C:\Users\...\path_to_template\DATATMPL\template.gdt

**Spec
DataFile=\\...\path_to_actual_log_file\the_csv_file.csv
OverwriteOption=Never

**Operation
Output

**Command
EXPORT

**Properties
Type=Log
Name=**some_name**

**Spec
Project=\\...\data\...\some_database.gpj
DbSourceMode=1
ExportFile=\\...\data\...\output_pdf_file.pdf

I don't want to show the success/error log to user. I have found from gINT help "QUIET" should do the trick but its not, I keep getting the log. Please let me know how I can work on silent mode. I'm using 10.00.00.50 (gINT professional)